<template>
  <div class="components-container">
    <a class="btn" @click="toggleShow">设置头像</a>
    <my-upload field="file"
               @crop-success="cropSuccess"
               @crop-upload-success="cropUploadSuccess"
               @crop-upload-fail="cropUploadFail"
               v-model="show"
               :width="300"
               :height="300"
               url="/admin/user/upload"
               :headers="headers"
               img-format="png"></my-upload>
    <img :src="avatar">
    <el-upload
      class="upload-demo"
      action="/admin/user/upload"
      :headers="headers"
      :on-preview="handlePreview"
      :on-remove="handleRemove"
      :file-list="fileList">
      <el-button size="small" type="primary">点击上传</el-button>
      <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
    </el-upload>
  </div>

</template>

<script>
  import { mapGetters } from 'vuex'
  import myUpload from 'vue-image-crop-upload'
  import { getToken } from '@/utils/auth'

  export default {
    components: { 'my-upload': myUpload },
    data() {
      return {
        fileList: [],
        show: false,
        headers: {
          Authorization: 'Bearer ' + getToken()
        }
      }
    },
    computed: {
      ...mapGetters([
        'avatar'
      ])
    },
    methods: {
      toggleShow() {
        this.show = !this.show
      },
      /**
       * crop success
       *
       * [param] imgDataUrl
       * [param] field
       */
      cropSuccess(imgDataUrl, field) {
        console.log('-------- crop success --------')
        this.imgDataUrl = imgDataUrl
      },
      /**
       * upload success
       *
       * [param] jsonData   服务器返回数据，已进行json转码
       * [param] field
       */
      cropUploadSuccess(jsonData, field) {
        console.log('-------- upload success --------')
        console.log(jsonData)
        console.log('field: ' + field)
      },
      /**
       * upload fail
       *
       * [param] status    server api return error status, like 500
       * [param] field
       */
      cropUploadFail(status, field) {
        console.log('-------- upload fail --------')
        console.log(status)
        console.log('field: ' + field)
      },
      handleRemove(file, fileList) {
        console.log(file, fileList)
      },
      handlePreview(file) {
        console.log(file)
      }
    }
  }
</script>
